满山白化学成分研究(4)
化合物11 浅黄色针状结晶(甲醇)。ESI-MS m/z 193 [M+H]+,191 [M-H]-; 1H-NMR(CD3OD,300 MHz)δ: 7.83(1H,d,J=9.3 Hz,H-4),7.09(1H,s,H-5),6.75(1H,s,H-8),6.20(1H,d,J=9.3 Hz,H-3),3.90(3H,s,6-OCH3); 13C-NMR(CD3OD,75 MHz)δ: 164.2(C-2),153.1(C-7),151.5(C-9),147.2(C-6),146.3(C-4),112.7(C-5,10),110.0(C-3),104.1(C-8),56.9(6-OCH3) ......
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